Simply put, there are a limited amount of PMs that will operate in the area, so I ended up with poor management.

You can simply request a separate check for the $100 increase to bring the total deposit in line with the new rent amount.

What I don’t understand, and help me on this, is why someone would simply want to purchase the Mortgage/DOT without the note. 

Since then, Chewy, Auto Zone, AT&T, Dollar Tree have all built distribution centers in the area. 

Or did you simply mention it because you're already familiar with that one? 

That means there is not really an effect on the debt to income ratio neither positive (income) or negative (loss) but rather simply making that payment  non issue. 

In my experience that either means there is something prohibitive in the zoning, or there simply is not much demand for that sort of product if most people either go with an apartment in a large complex or rent a SFR.

The affordablity metric of Canadian RE works as follow: the closer your are to centres like Toronto, Vancouver, Montreal, the more expensive the property will be and t gets pricier, in the eye of those epicentres. 

There is a lot of variability in this answer and, like all things in real estate, it simply depends. 

Being a subject matter expert, not because you are forcing it, but because you simply ARE, shows through, and investors are rightfully attracted to that.